Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie o ano médio para janaprakal chandruang
 ###Tabelas: CREATE TABLE european_tour_wins_19 (european_tour_wins_19_id AUTO_INCREMENT PRIMARY KEY, No. INT, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, To par VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE immigration_by_state (immigration_by_state_id AUTO_INCREMENT PRIMARY KEY, North Carolina VARCHAR, 273.7% VARCHAR, South Carolina VARCHAR, 132.1% VARCHAR, Mississippi VARCHAR, 95.8% VARCHAR, Wisconsin VARCHAR, 59.4% VARCHAR, Vermont VARCHAR, 32.5% VARCHAR) CREATE TABLE list_of_silpathorn_award_winners (list_of_silpathorn_award_winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Literature VARCHAR, Music VARCHAR, Film VARCHAR, Performing arts VARCHAR) CREATE TABLE local_channels (local_channels_id AUTO_INCREMENT PRIMARY KEY, Television service VARCHAR, Country VARCHAR, Language VARCHAR, Content VARCHAR, HDTV VARCHAR, Package/Option VARCHAR) CREATE TABLE saudi_arabia (saudi_arabia_id AUTO_INCREMENT PRIMARY KEY, Internet Plan VARCHAR, Downstream VARCHAR, Upstream VARCHAR, Bandwidth Included VARCHAR, Price VARCHAR)  
SELECT AVG Year FROM list_of_silpathorn_award_winners WHERE Performing arts = janaprakal chandruang